What constitute an ORACLE Instance?

Answers were Sorted based on User's Feedback



What constitute an ORACLE Instance?..

Answer / cspriyadba

Oracle Instance constits of on

Memory Structure and Background Process

* Memory structure constists of SGA and PGA

=>SGA constists of
1)Shared Pool
2)Database Buffer Cache
3)Redo log Buffer
4)Java Pool
5)Large Pool

=>PGA constists of
1)Server Process
2)User Process

* Background Process constists of

1)PMON
2)SMON
3)DBWR
4)LGWR
5)CKPT
6)Others

and optional Bg process also there
RECO,QMNn,ARCn,LCKn,LMDn,Snnn,Pnnn etc..

Is This Answer Correct ?    6 Yes 0 No

What constitute an ORACLE Instance?..

Answer / siva.k

SGA and ORACLE background processes constitute an ORACLE
instance.
(or)
Combination of memory structure and background process.

Is This Answer Correct ?    3 Yes 0 No

Post New Answer

More Oracle Architecture Interview Questions

What is a Control file ?

4 Answers  


What is function of RECO?

1 Answers  


What is the function of ARCH?

3 Answers  


What is hit ratio ?

13 Answers   Indiabulls, RGPV,


Diference between Oracle 9i and 10G.

2 Answers   Baidu,


What is advantage of having disk shadowing/ Mirroring ?

1 Answers  


What is Server Process?

2 Answers  


Why query fails sometimes ?

1 Answers  


What is an Oracle Data Block?

0 Answers  


What is the function of Dispatcher (Dnnn)?

4 Answers  


What is SGA?

3 Answers  


What Does DBWR do?

2 Answers   Honeywell,


Categories
  • Oracle General Interview Questions Oracle General (1808)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)